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file db saving (not complete)

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zheiling
2025-10-30 17:51:26 +02:00
parent 76dff7dafb
commit 7c4c9e6694
10 changed files with 310 additions and 155 deletions
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src/session.c
+11 -54
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@@ -3,10 +3,12 @@
#include "file_p.h"
#include "main.h"
#include "user.h"
#include "db.h"
#include <arpa/inet.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -39,14 +41,8 @@ session *make_new_session(int fd, struct sockaddr_in *from, char *wm) {
sess->state = OP_LOGIN_USR;
sess->reason = NO_REASON;
sess->uname = NULL;
sess->f_perm = 0;
sess->fdesc = NULL;
sess->sd = fd;
sess->fd = -1;
sess->fsize = 0;
sess->f_rest = 0;
sess->fname = NULL;
sess->fpath = NULL;
sess->file = NULL;
session_send_string(sess, wm);
session_send_string(sess, "login> ");
return sess;
@@ -150,61 +146,22 @@ void perform_session_action(session *sess, char *line, server_data_t *s_d) {
case OP_UPLOAD_DESCRIPTION:
res = file_upload_description(sess, line, s_d);
if (res) {
file_save_db(sess, s_d);
session_send_string(sess, "File is saved!\n");
sess->state = OP_WAIT;
if (db_save_file(sess)) {
clear_file_from_sess(sess);
session_send_string(sess, "File is saved!\n");
sess->state = OP_WAIT;
} else {
// TODO: error case
}
}
break;
}
/* } */
}
int file_save_db(session *sess, server_data_t *s_d) {
/* crate and fill the new item */
fl_t *nitem = malloc(sizeof(fl_t));
nitem->description = sess->fdesc;
nitem->name = sess->fname;
nitem->size = sess->fsize;
nitem->owner = malloc(strlen(sess->uname));
strcpy(nitem->owner, sess->uname);
nitem->permissions = sess->f_perm;
nitem->next = NULL;
/* set to NULL and clear */
sess->fname = NULL;
free(sess->fpath);
sess->fpath = NULL;
sess->fdesc = NULL;
if (sess->fd > -1) {
close(sess->fd);
}
sess->fd = -1;
sess->fsize = 0;
sess->f_rest = 0;
/* add new item to list */
s_d->fl_current->next = nitem;
s_d->fl_current = nitem;
/* save to the db file */
int fd = open(FILE_DESCRIPTIONS_NAME, O_WRONLY);
lseek(fd, 0, SEEK_END);
char permissions[4];
snprintf(permissions, 3, "%d", nitem->permissions);
unsigned int res_len = strlen(nitem->name) + 1 + strlen(nitem->owner) + 1 +
strlen(permissions) + 1 + strlen(nitem->description) +
1;
char *res_str = malloc(res_len);
res_len = sprintf(res_str, "%s\n%s\n%s\n%s", nitem->name, nitem->owner,
permissions, nitem->description);
nitem->description[strlen(nitem->description) - 6] = 0;
write(fd, res_str, res_len);
close(fd);
return 0;
}
void close_session(session *connections[], int sd) {
if (connections[sd] != NULL) {
if (connections[sd]->file) clear_file_from_sess(connections[sd]);
close(sd);
connections[sd]->sd = -1;
free(connections[sd]->uname);